Q: Is 31,310 a Prime Number?

A: No, 31,310 is not a prime number.

Why is 31,310 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 31310 can be evenly divided by 1 2 5 10 31 62 101 155 202 310 505 1,010 3,131 6,262 15,655 and 31,310, with no remainder.

Since 31,310 cannot be divided by just 1 and 31,310, it is not a prime number.

Number	31,308	31,309	31,311	31,312
Prime?	no	no	no	no

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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